Uninterruptible Power Supply (UPS)
DEFINITIONS FOR LED INDICATORS
Indicator | Sound/Alarm | Situation | |
LED 1 (Green)  | 
  | Mains normal,  | |
Illuminated  | No sound  | Input power source is supplying the load  | |
LED 2  | (Yellow)  | 
  | Mains normal,  | 
Illuminated  | No sound  | Battery is charging  | |
LED 3  | (Red)  | Beeps every two  | Mains abnormal,  | 
Illuminated  | seconds  | Battery is supplying the load  | |
LED 3  | (Red)  | Beeps every one second  | Mains abnormal,  | 
Illuminated  | Battery is low  | ||
LED 3  | (Red)  | 
  | Battery exhausted,  | 
Illuminated  | Continuous beeping  | UPS will protect itself and switch off  | |
No LED's  | 
  | UPS shutdown,  | |
Illuminated  | No sound  | In sleep mode  | |
TROUBLESHOOTING
Problem | Possible Cause | Solution | |
  | 
  | 
  | |
Fuse has tripped due to an  | Turn the UPS off and unplug at least  | ||
protection outlets  | overload.  | one piece of equipment. Wait 10-  | |
stop providing power  | 
  | seconds, replace the fuse with a fuse  | |
to equipment.  | 
  | of like size and rating, and then turn  | |
  | 
  | the UPS on.  | |
The UPS does not  | Battery not fully charged.  | Recharge the battery for at least 4-  | |
perform expected  | 
  | hours.  | |
runtime.  | 
  | 
  | |
The Battery is defective.  | Contact MINUTEMAN UPS about  | ||
  | |||
  | 
  | replacement batteries at  | |
  | 
  | mmsupport@minutemanups.com  | |
The UPS will not turn  | The on/off switch is  | Turn the UPS off. Wait   | |
on.  | designed to prevent  | and then turn the UPS on.  | |
  | damage by rapidly turning  | 
  | |
  | it off and on.  | 
  | |
  | The UPS is not plugged  | Connect the UPS to an 110/120V  | |
  | into an AC wall outlet.  | 60Hz AC wall outlet.  | |
  | The battery is defective.  | Contact MINUTEMAN UPS about  | |
  | 
  | replacement batteries at  | |
  | 
  | mmsupport@minutemanups.com  | |
  | Mechanical problem.  | Contact MINUTEMAN UPS at  | |
  | 
  | mmsupport@minutemanups.com  | |
The UPS shuts down  | The UPS is not providing  | Shutdown your computer and turn  | |
when there is a loss  | battery power.  | the UPS off. Wait   | |
of AC power.  | 
  | turn the UPS back on. This should  | |
  | 
  | reset the UPS.  | 
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